commit b4261425a06bab761ba8c280789336fb5f452e5d
Author: Arda Atci <[email protected]>
Date:   Tue Jun 21 01:07:59 2022 +0300

    Preserve on restart patch for dwm-6.3

diff --git 
a/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff 
b/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
new file mode 100644
index 00000000..079cf05d
--- /dev/null
+++ b/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
@@ -0,0 +1,118 @@
+From 713fa8650f5a20006451ebcccf57a4512e83bae8 Mon Sep 17 00:00:00 2001
+From: Arda Atci <[email protected]>
+Date: Wed, 18 May 2022 17:23:16 +0300
+Subject: [PATCH] preserve clients on old tags when renewing dwm
+
+By default, when dwm is recompiled-restarted all clients will
+lose it's current tag and collapse to first tag. This patch preserves
+clients on old tags, however note that layout order is not preserved.
+
+---
+ dwm.c | 38 +++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 37 insertions(+), 1 deletion(-)
+
+diff --git a/dwm.c b/dwm.c
+index a96f33c..a12e0bd 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -62,7 +62,7 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+ enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
+        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+-       NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++       NetWMWindowTypeDialog, NetClientList, NetClientInfo, NetLast }; /* 
EWMH atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default 
atoms */
+ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
+@@ -198,6 +198,7 @@ static void scan(void);
+ static int sendevent(Client *c, Atom proto);
+ static void sendmon(Client *c, Monitor *m);
+ static void setclientstate(Client *c, long state);
++static void setclienttagprop(Client *c);
+ static void setfocus(Client *c);
+ static void setfullscreen(Client *c, int fullscreen);
+ static void setlayout(const Arg *arg);
+@@ -1060,6 +1061,26 @@ manage(Window w, XWindowAttributes *wa)
+       updatewindowtype(c);
+       updatesizehints(c);
+       updatewmhints(c);
++      {
++              int format;
++              unsigned long *data, n, extra;
++              Monitor *m;
++              Atom atom;
++              if (XGetWindowProperty(dpy, c->win, netatom[NetClientInfo], 0L, 
2L, False, XA_CARDINAL,
++                              &atom, &format, &n, &extra, (unsigned char 
**)&data) == Success && n == 2) {
++                      c->tags = *data;
++                      for (m = mons; m; m = m->next) {
++                              if (m->num == *(data+1)) {
++                                      c->mon = m;
++                                      break;
++                              }
++                      }
++              }
++              if (n > 0)
++                      XFree(data);
++      }
++      setclienttagprop(c);
++
+       XSelectInput(dpy, w, 
EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+       grabbuttons(c, 0);
+       if (!c->isfloating)
+@@ -1423,6 +1444,7 @@ sendmon(Client *c, Monitor *m)
+       c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
+       attach(c);
+       attachstack(c);
++      setclienttagprop(c);
+       focus(NULL);
+       arrange(NULL);
+ }
+@@ -1566,6 +1588,7 @@ setup(void)
+       netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", 
False);
+       netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, 
"_NET_WM_WINDOW_TYPE_DIALOG", False);
+       netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
++      netatom[NetClientInfo] = XInternAtom(dpy, "_NET_CLIENT_INFO", False);
+       /* init cursors */
+       cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+       cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1589,6 +1612,7 @@ setup(void)
+       XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+               PropModeReplace, (unsigned char *) netatom, NetLast);
+       XDeleteProperty(dpy, root, netatom[NetClientList]);
++      XDeleteProperty(dpy, root, netatom[NetClientInfo]);
+       /* select events */
+       wa.cursor = cursor[CurNormal]->cursor;
+       wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+@@ -1656,11 +1680,22 @@ spawn(const Arg *arg)
+       }
+ }
+
++void
++setclienttagprop(Client *c)
++{
++      long data[] = { (long) c->tags, (long) c->mon->num };
++      XChangeProperty(dpy, c->win, netatom[NetClientInfo], XA_CARDINAL, 32,
++                      PropModeReplace, (unsigned char *) data, 2);
++}
++
+ void
+ tag(const Arg *arg)
+ {
++      Client *c;
+       if (selmon->sel && arg->ui & TAGMASK) {
++              c = selmon->sel;
+               selmon->sel->tags = arg->ui & TAGMASK;
++              setclienttagprop(c);
+               focus(NULL);
+               arrange(selmon);
+       }
+@@ -1735,6 +1770,7 @@ toggletag(const Arg *arg)
+       newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
+       if (newtags) {
+               selmon->sel->tags = newtags;
++              setclienttagprop(selmon->sel);
+               focus(NULL);
+               arrange(selmon);
+       }
+--
+2.36.1
diff --git a/dwm.suckless.org/patches/preserveonrestart/index.md 
b/dwm.suckless.org/patches/preserveonrestart/index.md
new file mode 100644
index 00000000..7ed0d171
--- /dev/null
+++ b/dwm.suckless.org/patches/preserveonrestart/index.md
@@ -0,0 +1,17 @@
+preserveonrestart
+================
+
+Description
+-----------
+By default, when dwm is recompiled-restarted all clients will
+lose it's current tag and collapse to first tag. This patch preserves
+clients on old tags, however note that layout order is not preserved.
+
+
+Download
+--------
+* [dwm-preserveonrestart-6.3.diff](dwm-preserveonrestart-6.3.diff)
+
+Author
+------
+* [Arda Atci](https://www.phytech.io) <[email protected]>


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